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dyncom: Implement RFE

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This commit is contained in:
Lioncash 2015-03-24 11:11:57 -04:00
parent 03ceb7adf9
commit cde671795c
1 changed files with 30 additions and 1 deletions
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31
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -2156,7 +2156,22 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(revsh)(unsigned int inst, int index)
return INTERPRETER_TRANSLATE(rev)(inst, index); return INTERPRETER_TRANSLATE(rev)(inst, index);
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(rfe)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("RFE"); } static ARM_INST_PTR INTERPRETER_TRANSLATE(rfe)(unsigned int inst, int index)
{
arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
ldst_inst* const inst_cream = (ldst_inst*)inst_base->component;
inst_base->cond = AL;
inst_base->idx = index;
inst_base->br = INDIRECT_BRANCH;
inst_base->load_r15 = 0;
inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst);
return inst_base;
}
static ARM_INST_PTR INTERPRETER_TRANSLATE(rsb)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(rsb)(unsigned int inst, int index)
{ {
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(rsb_inst)); arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(rsb_inst));
@ -5293,6 +5308,20 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
} }
RFE_INST: RFE_INST:
{
// RFE is unconditional
ldst_inst* const inst_cream = (ldst_inst*)inst_base->component;
u32 address = 0;
inst_cream->get_addr(cpu, inst_cream->inst, address, 1);
cpu->Cpsr = ReadMemory32(cpu, address);
cpu->Reg[15] = ReadMemory32(cpu, address + 4);
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
RSB_INST: RSB_INST:
{ {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {